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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-421.667900
Energy at 298.15K-421.675486
HF Energy-421.667900
Nuclear repulsion energy109.975326
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3116 3116 22.28      
2 A' 3109 3109 38.91      
3 A' 3004 3004 25.52      
4 A' 2172 2172 169.91      
5 A' 1500 1500 7.66      
6 A' 1499 1499 13.46      
7 A' 1349 1349 0.74      
8 A' 1016 1016 31.66      
9 A' 984 984 42.56      
10 A' 715 715 2.70      
11 A' 601 601 1.00      
12 A' 243 243 0.09      
13 A' 171 171 0.19      
14 A" 3116 3116 9.25      
15 A" 3109 3109 3.86      
16 A" 3006 3006 27.95      
17 A" 1490 1490 14.00      
18 A" 1488 1488 0.41      
19 A" 1331 1331 0.79      
20 A" 1008 1008 23.23      
21 A" 860 860 0.91      
22 A" 732 732 0.09      
23 A" 650 650 7.69      
24 A" 157 157 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18212.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18212.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/6-31G
ABC
0.49076 0.22135 0.16849

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.040 -0.702 0.000
H2 1.404 -0.939 0.000
C3 -0.040 0.559 1.460
C4 -0.040 0.559 -1.460
H5 -1.041 1.002 1.533
H6 -1.041 1.002 -1.533
H7 0.175 0.023 2.393
H8 0.175 0.023 -2.393
H9 0.701 1.356 1.314
H10 0.701 1.356 -1.314

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.46301.92921.92922.50142.50142.51022.51022.55132.5513
H21.46302.54172.54173.47813.47812.85752.85752.73582.7358
C31.92922.54172.92031.09763.18711.09733.89661.09802.9797
C41.92922.54172.92033.18711.09763.89661.09732.97971.0980
H52.50143.47811.09763.18713.06561.78274.22531.79163.3563
H62.50143.47813.18711.09763.06564.22531.78273.35631.7916
H72.51022.85751.09733.89661.78274.22534.78701.79393.9744
H82.51022.85753.89661.09734.22531.78274.78703.97441.7939
H92.55132.73581.09802.97971.79163.35631.79393.97442.6274
H102.55132.73582.97971.09803.35631.79163.97441.79392.6274

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.308 P1 C3 H7 108.951
P1 C3 H9 111.918 P1 C4 H6 108.308
P1 C4 H8 108.951 P1 C4 H10 111.918
H2 P1 C3 96.080 H2 P1 C4 96.080
C3 P1 C4 98.375 H5 C3 H7 108.625
H5 C3 H9 109.373 H6 C4 H8 108.625
H6 C4 H10 109.373 H7 C3 H9 109.600
H8 C4 H10 109.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.338      
2 H -0.025      
3 C -0.664      
4 C -0.664      
5 H 0.170      
6 H 0.170      
7 H 0.172      
8 H 0.172      
9 H 0.165      
10 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.563 1.435 0.000 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.336 -1.540 0.000
y -1.540 -30.377 0.000
z 0.000 0.000 -26.640
Traceless
 xyz
x 0.172 -1.540 0.000
y -1.540 -2.889 0.000
z 0.000 0.000 2.717
Polar
3z2-r25.433
x2-y22.040
xy-1.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.929 -0.405 0.000
y -0.405 6.318 0.000
z 0.000 0.000 7.540


<r2> (average value of r2) Å2
<r2> 85.898
(<r2>)1/2 9.268